\usepackage{fontspec}
\usepackage{xeCJK}
\setmainfont{Times New Roman}
\setsansfont{Times New Roman}
\setCJKmainfont{NSimSun}
\setCJKfamilyfont{hei}{SimHei}
\setCJKfamilyfont{kai}{KaiTi}
\setCJKfamilyfont{Fsong}{FangSong}
\setCJKfamilyfont{Yyuan}{YouYuan}
\newcommand{\fHei}{\CJKfamily{hei}}
\newcommand{\fKai}{\CJKfamily{kai}}
\newcommand{\fFsong}{\CJKfamily{Fsong}}
\newcommand{\fYyuan}{\CJKfamily{Yyuan}}
